Yuliya Feldman created DRILL-2209:
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Summary: Save on CPU cycles by adding Project with column that has
hash calculated
Key: DRILL-2209
URL: https://issues.apache.org/jira/browse/DRILL-2209
Project: Apache Drill
Issue Type: Improvement
Components: Execution - Flow, Query Planning & Optimization
Reporter: Yuliya Feldman
Assignee: Yuliya Feldman
Related to DRILL-133. Wrapping HashToRandomExhcnage and/or LocalExchange with
Project operator with additional column that represents hash function of
column(s) we are hashing on. This is to save CPU cycles and not recalculate
hash every time
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